Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Nuke files lost between gdb 4.16 and 4.17.

Browse Source
This commit is contained in:
tv 1999-02-11 00:42:47 +00:00
parent 24b857e942
commit 64fe338b56
14 changed files with 0 additions and 4592 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
gnu/dist/gdb/.gdbinit vendored
View File

@ -1,16 +0,0 @@
echo Setting up the environment for debugging gdb.\n
set complaints 1
b fatal
b info_command
commands
silent
return
end
dir ../mmalloc
dir ../libiberty
dir ../bfd
set prompt (top-gdb)

351
gnu/dist/gdb/callback.c vendored
View File

@ -1,351 +0,0 @@
/* Host callback routines for GDB.
Copyright 1995 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This file provides a standard way for targets to talk to the host OS
level.
This interface will probably need a bit more banging to make it
smooth. Currently the simulator uses this file to provide the
callbacks for itself when it's built standalone, which is rather
ugly. */
#ifndef INSIDE_SIMULATOR
#include "defs.h"
#endif
#include "ansidecl.h"
#include "callback.h"
#ifdef ANSI_PROTOTYPES
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <time.h>
/* Set the callback copy of errno from what we see now. */
static int
wrap (p, val)
host_callback *p;
int val;
{
p->last_errno = errno;
return val;
}
/* Make sure the FD provided is ok. If not, return non-zero
and set errno. */
static int
fdbad (p, fd)
host_callback *p;
int fd;
{
if (fd < 0 || fd > MAX_CALLBACK_FDS || !p->fdopen[fd])
{
p->last_errno = EINVAL;
return -1;
}
return 0;
}
static int
fdmap (p, fd)
host_callback *p;
int fd;
{
return p->fdmap[fd];
}
int
os_close (p, fd)
host_callback *p;
int fd;
{
int result;
result = fdbad (p, fd);
if (result)
return result;
result = wrap (p, close (fdmap (p, fd)));
return result;
}
int
os_get_errno (p)
host_callback *p;
{
/* !!! fixme, translate from host to taget errno value */
return p->last_errno;
}
int
os_isatty (p, fd)
host_callback *p;
int fd;
{
int result;
result = fdbad (p, fd);
if (result)
return result;
result = wrap (p, isatty (fdmap (fd)));
return result;
}
int
os_lseek (p, fd, off, way)
host_callback *p;
int fd;
long off;
int way;
{
int result;
result = fdbad (p, fd);
if (result)
return result;
result = lseek (fdmap (p, fd), off, way);
return result;
}
int
os_open (p, name, flags)
host_callback *p;
const char *name;
int flags;
{
int i;
for (i = 0; i < MAX_CALLBACK_FDS; i++)
{
if (!p->fdopen[i])
{
int f = open (name, flags);
if (f < 0)
{
p->last_errno = errno;
return f;
}
p->fdopen[i] = 1;
p->fdmap[i] = f;
return i;
}
}
p->last_errno = EMFILE;
return -1;
}
int
os_read (p, fd, buf, len)
host_callback *p;
int fd;
char *buf;
int len;
{
int result;
result = fdbad (p, fd);
if (result)
return result;
result = wrap (p, read (fdmap (p, fd), buf, len));
return result;
}
int
os_read_stdin (p, buf, len)
host_callback *p;
char *buf;
int len;
{
return wrap (p, read (0, buf, len));
}
int
os_write (p, fd, buf, len)
host_callback *p;
int fd;
const char *buf;
int len;
{
int result;
result = fdbad (p, fd);
if (result)
return result;
result = wrap (p, write (fdmap (p, fd), buf, len));
return result;
}
/* ignore the grossness of INSIDE_SIMULATOR, it will go away one day. */
int
os_write_stdout (p, buf, len)
host_callback *p;
const char *buf;
int len;
{
#ifdef INSIDE_SIMULATOR
return os_write (p, 1, buf, len);
#else
int i;
char b[2];
for (i = 0; i< len; i++)
{
b[0] = buf[i];
b[1] = 0;
if (target_output_hook)
target_output_hook (b);
else
fputs_filtered (b, gdb_stdout);
}
return len;
#endif
}
int
os_rename (p, f1, f2)
host_callback *p;
const char *f1;
const char *f2;
{
return wrap (p, rename (f1, f2));
}
int
os_system (p, s)
host_callback *p;
const char *s;
{
return wrap (p, system (s));
}
long
os_time (p, t)
host_callback *p;
long *t;
{
long rv = time ((time_t*)t);
p->last_errno = errno;
return rv;
}
int
os_unlink (p, f1)
host_callback *p;
const char *f1;
{
return wrap (p, unlink (f1));
}
int
os_shutdown (p)
host_callback *p;
{
int i;
for (i = 0; i < MAX_CALLBACK_FDS; i++)
{
if (p->fdopen[i] && !p->alwaysopen[i]) {
close (p->fdmap[i]);
p->fdopen[i] = 0;
}
}
return 1;
}
int os_init(p)
host_callback *p;
{
int i;
os_shutdown (p);
for (i= 0; i < 3; i++)
{
p->fdmap[i] = i;
p->fdopen[i] = 1;
p->alwaysopen[i] = 1;
}
return 1;
}
/* !!fixme!!
This bit is ugly. When the interface has settled down I'll
move the whole file into sim/common and remove this bit. */
/* VARARGS */
void
#ifdef ANSI_PROTOTYPES
os_printf_filtered (host_callback *p, const char *format, ...)
#else
os_printf_filtered (p, va_alist)
host_callback *p;
va_dcl
#endif
{
va_list args;
#ifdef ANSI_PROTOTYPES
va_start (args, format);
#else
char *format;
va_start (args);
format = va_arg (args, char *);
#endif
#ifdef INSIDE_SIMULATOR
vprintf (format, args);
#else
vfprintf_filtered (stdout, format, args);
#endif
va_end (args);
}
host_callback default_callback =
{
os_close,
os_get_errno,
os_isatty,
os_lseek,
os_open,
os_read,
os_read_stdin,
os_rename,
os_system,
os_time,
os_unlink,
os_write,
os_write_stdout,
os_shutdown,
os_init,
os_printf_filtered,
0, /* last errno */
};

41
gnu/dist/gdb/callback.h vendored
View File

@ -1,41 +0,0 @@
#ifndef CALLBACK_H
#define CALLBACK_H
typedef struct host_callback_struct host_callback;
#define MAX_CALLBACK_FDS 10
struct host_callback_struct
{
int (*close) PARAMS ((host_callback *,int));
int (*get_errno) PARAMS ((host_callback *));
int (*isatty) PARAMS ((host_callback *, int));
int (*lseek) PARAMS ((host_callback *, int, long , int));
int (*open) PARAMS ((host_callback *, const char*, int mode));
int (*read) PARAMS ((host_callback *,int, char *, int));
int (*read_stdin) PARAMS (( host_callback *, char *, int));
int (*rename) PARAMS ((host_callback *, const char *, const char *));
int (*system) PARAMS ((host_callback *, const char *));
long (*time) PARAMS ((host_callback *, long *));
int (*unlink) PARAMS ((host_callback *, const char *));
int (*write) PARAMS ((host_callback *,int, const char *, int));
int (*write_stdout) PARAMS ((host_callback *, const char *, int));
/* Used when the target has gone away, so we can close open
handles and free memory etc etc. */
int (*shutdown) PARAMS ((host_callback *));
int (*init) PARAMS ((host_callback *));
/* Talk to the user on a console. */
void (*printf_filtered) PARAMS ((host_callback *, const char *, ...));
int last_errno; /* host format */
int fdmap[MAX_CALLBACK_FDS];
char fdopen[MAX_CALLBACK_FDS];
char alwaysopen[MAX_CALLBACK_FDS];
};
#endif
extern host_callback default_callback;

29
gnu/dist/gdb/config/alpha/xm-alpha.h vendored
View File

@ -1,29 +0,0 @@
/* Host definitions for GDB running on an alpha under OSF/1
Copyright (C) 1992, 1993 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if !defined (HOST_BYTE_ORDER)
#define HOST_BYTE_ORDER LITTLE_ENDIAN
#endif
/* The alpha has no siginterrupt routine. */
#define NO_SIGINTERRUPT
/* HAVE_SGTTY also works, but we have termios, so use it. */
#define HAVE_TERMIOS

3
gnu/dist/gdb/config/mips/mipsel64.mt vendored
View File

@ -1,3 +0,0 @@
# Target: Little-endian MIPS machine such as DECstation.
TDEPFILES= mips-tdep.o
TM_FILE= tm-mips64.h

24
gnu/dist/gdb/config/powerpc/aix4.mh vendored
View File

@ -1,24 +0,0 @@
# Host: IBM PowerPC running AIX4
XM_FILE= xm-aix.h
XDEPFILES=
NAT_FILE= nm-aix.h
NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o rs6000-nat.o xcoffread.o
# When compiled with cc, for debugging, this argument should be passed.
# We have no idea who our current compiler is though, so we skip it.
# MH_CFLAGS = -bnodelcsect
# Because of shared libraries, we risk ending up with *two*
# incompatible versions of malloc if we use GNU malloc ...
MMALLOC =
MMALLOC_DISABLE = -DNO_MMALLOC
# A bug in the AIX 3.2 libc.a results in unresolved references for .scalb and
# .finite because we call ldexp via floatformat. Circumvent by adding -lm.
XM_CLIBS= -lm
# Rumor has it that libtermcap is "not really functional", and that
# -lcurses is better.
TERMCAP= -lcurses

3
gnu/dist/gdb/config/powerpc/aix4.mt vendored
View File

@ -1,3 +0,0 @@
# Target: PowerPC running AIX4
TDEPFILES= rs6000-tdep.o xcoffsolib.o
TM_FILE= tm-ppc-aix4.h

32
gnu/dist/gdb/config/powerpc/tm-ppc-aix4.h vendored
View File

@ -1,32 +0,0 @@
/* Macro definitions for Power PC running AIX4.
Copyright 1995 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef TM_PPC_AIX4_H
#define TM_PPC_AIX4_H
/* The main executable doesn't need relocation in aix4. Otherwise
it looks just like any other AIX system. */
#define DONT_RELOCATE_SYMFILE_OBJFILE
/* Use generic RS6000 definitions. */
#include "rs6000/tm-rs6000.h"
#define GDB_TARGET_POWERPC
#endif /* TM_PPC_AIX4_H */

1553
gnu/dist/gdb/config/sh/stub.c vendored
View File

File diff suppressed because it is too large Load Diff

1
gnu/dist/gdb/doc/GDBvn.texi vendored
View File

@ -1 +0,0 @@
@set GDBVN 4.16

BIN
gnu/dist/gdb/doc/refcard.dvi vendored
View File

Binary file not shown.

1540
gnu/dist/gdb/remote-pa.c vendored
View File

File diff suppressed because it is too large Load Diff

953
gnu/dist/gdb/remote-sim.c vendored
View File

@ -1,953 +0,0 @@
/* Generic remote debugging interface for simulators.
Copyright 1993, 1994, 1996, 1997 Free Software Foundation, Inc.
Contributed by Cygnus Support.
Steve Chamberlain (sac@cygnus.com).
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
#include "wait.h"
#include "value.h"
#include "gdb_string.h"
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
#include <setjmp.h>
#include <errno.h>
#include "terminal.h"
#include "target.h"
#include "gdbcore.h"
#include "callback.h"
#include "remote-sim.h"
#include "remote-utils.h"
#include "command.h"
/* Prototypes */
static void dump_mem PARAMS ((char *buf, int len));
static void init_callbacks PARAMS ((void));
static void end_callbacks PARAMS ((void));
static int gdb_os_write_stdout PARAMS ((host_callback *, const char *, int));
static void gdb_os_flush_stdout PARAMS ((host_callback *));
static int gdb_os_write_stderr PARAMS ((host_callback *, const char *, int));
static void gdb_os_flush_stderr PARAMS ((host_callback *));
static int gdb_os_poll_quit PARAMS ((host_callback *));
/* printf_filtered is depreciated */
static void gdb_os_printf_filtered PARAMS ((host_callback *, const char *, ...));
static void gdb_os_vprintf_filtered PARAMS ((host_callback *, const char *, va_list));
static void gdb_os_evprintf_filtered PARAMS ((host_callback *, const char *, va_list));
static void gdb_os_error PARAMS ((host_callback *, const char *, ...));
static void gdbsim_fetch_register PARAMS ((int regno));
static void gdbsim_store_register PARAMS ((int regno));
static void gdbsim_kill PARAMS ((void));
static void gdbsim_load PARAMS ((char *prog, int fromtty));
static void gdbsim_create_inferior PARAMS ((char *exec_file, char *args, char **env));
static void gdbsim_open PARAMS ((char *args, int from_tty));
static void gdbsim_close PARAMS ((int quitting));
static void gdbsim_detach PARAMS ((char *args, int from_tty));
static void gdbsim_resume PARAMS ((int pid, int step, enum target_signal siggnal));
static int gdbsim_wait PARAMS ((int pid, struct target_waitstatus *status));
static void gdbsim_prepare_to_store PARAMS ((void));
static int gdbsim_xfer_inferior_memory PARAMS ((CORE_ADDR memaddr,
char *myaddr, int len,
int write,
struct target_ops *target));
static void gdbsim_files_info PARAMS ((struct target_ops *target));
static void gdbsim_mourn_inferior PARAMS ((void));
static void gdbsim_stop PARAMS ((void));
static void simulator_command PARAMS ((char *args, int from_tty));
/* Naming convention:
sim_* are the interface to the simulator (see remote-sim.h).
gdbsim_* are stuff which is internal to gdb. */
/* Forward data declarations */
extern struct target_ops gdbsim_ops;
static int program_loaded = 0;
/* We must keep track of whether the simulator has been opened or not because
GDB can call a target's close routine twice, but sim_close doesn't allow
this. We also need to record the result of sim_open so we can pass it
back to the other sim_foo routines. */
static SIM_DESC gdbsim_desc = 0;
static void
dump_mem (buf, len)
char *buf;
int len;
{
if (len <= 8)
{
if (len == 8 || len == 4)
{
long l[2];
memcpy (l, buf, len);
printf_filtered ("\t0x%x", l[0]);
printf_filtered (len == 8 ? " 0x%x\n" : "\n", l[1]);
}
else
{
int i;
printf_filtered ("\t");
for (i = 0; i < len; i++)
printf_filtered ("0x%x ", buf[i]);
printf_filtered ("\n");
}
}
}
static host_callback gdb_callback;
static int callbacks_initialized = 0;
/* Initialize gdb_callback. */
static void
init_callbacks ()
{
if (! callbacks_initialized)
{
gdb_callback = default_callback;
gdb_callback.init (&gdb_callback);
gdb_callback.write_stdout = gdb_os_write_stdout;
gdb_callback.flush_stdout = gdb_os_flush_stdout;
gdb_callback.write_stderr = gdb_os_write_stderr;
gdb_callback.flush_stderr = gdb_os_flush_stderr;
gdb_callback.printf_filtered = gdb_os_printf_filtered;
gdb_callback.vprintf_filtered = gdb_os_vprintf_filtered;
gdb_callback.evprintf_filtered = gdb_os_evprintf_filtered;
gdb_callback.error = gdb_os_error;
gdb_callback.poll_quit = gdb_os_poll_quit;
gdb_callback.magic = HOST_CALLBACK_MAGIC;
callbacks_initialized = 1;
}
}
/* Release callbacks (free resources used by them). */
static void
end_callbacks ()
{
if (callbacks_initialized)
{
gdb_callback.shutdown (&gdb_callback);
callbacks_initialized = 0;
}
}
/* GDB version of os_write_stdout callback. */
static int
gdb_os_write_stdout (p, buf, len)
host_callback *p;
const char *buf;
int len;
{
int i;
char b[2];
for (i = 0; i < len; i++)
{
b[0] = buf[i];
b[1] = 0;
if (target_output_hook)
target_output_hook (b);
else
fputs_filtered (b, gdb_stdout);
}
return len;
}
/* GDB version of os_flush_stdout callback. */
static void
gdb_os_flush_stdout (p)
host_callback *p;
{
gdb_flush (gdb_stdout);
}
/* GDB version of os_write_stderr callback. */
static int
gdb_os_write_stderr (p, buf, len)
host_callback *p;
const char *buf;
int len;
{
int i;
char b[2];
for (i = 0; i < len; i++)
{
b[0] = buf[i];
b[1] = 0;
if (target_output_hook)
target_output_hook (b);
else
fputs_filtered (b, gdb_stderr);
}
return len;
}
/* GDB version of os_flush_stderr callback. */
static void
gdb_os_flush_stderr (p)
host_callback *p;
{
gdb_flush (gdb_stderr);
}
/* GDB version of printf_filtered callback. */
/* VARARGS */
static void
#ifdef ANSI_PROTOTYPES
gdb_os_printf_filtered (host_callback *p, const char *format, ...)
#else
gdb_os_printf_filtered (p, va_alist)
host_callback *p;
va_dcl
#endif
{
va_list args;
#ifdef ANSI_PROTOTYPES
va_start (args, format);
#else
char *format;
va_start (args);
format = va_arg (args, char *);
#endif
vfprintf_filtered (gdb_stdout, format, args);
va_end (args);
}
/* GDB version of error vprintf_filtered. */
/* VARARGS */
static void
#ifdef ANSI_PROTOTYPES
gdb_os_vprintf_filtered (host_callback *p, const char *format, va_list ap)
#else
gdb_os_vprintf_filtered (p, format, ap)
host_callback *p;
char *format;
va_list ap;
#endif
{
vfprintf_filtered (gdb_stdout, format, ap);
}
/* GDB version of error evprintf_filtered. */
/* VARARGS */
static void
#ifdef ANSI_PROTOTYPES
gdb_os_evprintf_filtered (host_callback *p, const char *format, va_list ap)
#else
gdb_os_evprintf_filtered (p, format, ap)
host_callback *p;
char *format;
va_list ap;
#endif
{
vfprintf_filtered (gdb_stderr, format, ap);
}
/* GDB version of error callback. */
/* VARARGS */
static void
#ifdef ANSI_PROTOTYPES
gdb_os_error (host_callback *p, const char *format, ...)
#else
gdb_os_error (p, va_alist)
host_callback *p;
va_dcl
#endif
{
if (error_hook)
(*error_hook) ();
else
{
va_list args;
#ifdef ANSI_PROTOTYPES
va_start (args, format);
#else
char *format;
va_start (args);
format = va_arg (args, char *);
#endif
error_begin ();
vfprintf_filtered (gdb_stderr, format, args);
fprintf_filtered (gdb_stderr, "\n");
va_end (args);
return_to_top_level (RETURN_ERROR);
}
}
static void
gdbsim_fetch_register (regno)
int regno;
{
if (regno == -1)
{
for (regno = 0; regno < NUM_REGS; regno++)
gdbsim_fetch_register (regno);
}
else if (reg_names[regno] != NULL && *reg_names[regno] != '\0')
{
char buf[MAX_REGISTER_RAW_SIZE];
sim_fetch_register (gdbsim_desc, regno, buf);
supply_register (regno, buf);
if (sr_get_debug ())
{
printf_filtered ("gdbsim_fetch_register: %d", regno);
/* FIXME: We could print something more intelligible. */
dump_mem (buf, REGISTER_RAW_SIZE (regno));
}
}
}
static void
gdbsim_store_register (regno)
int regno;
{
if (regno == -1)
{
for (regno = 0; regno < NUM_REGS; regno++)
gdbsim_store_register (regno);
}
else if (reg_names[regno] != NULL && *reg_names[regno] != '\0')
{
/* FIXME: Until read_register() returns LONGEST, we have this. */
char tmp[MAX_REGISTER_RAW_SIZE];
read_register_gen (regno, tmp);
sim_store_register (gdbsim_desc, regno, tmp);
if (sr_get_debug ())
{
printf_filtered ("gdbsim_store_register: %d", regno);
/* FIXME: We could print something more intelligible. */
dump_mem (tmp, REGISTER_RAW_SIZE (regno));
}
}
}
/* Kill the running program. This may involve closing any open files
and releasing other resources acquired by the simulated program. */
static void
gdbsim_kill ()
{
if (sr_get_debug ())
printf_filtered ("gdbsim_kill\n");
/* There is no need to `kill' running simulator - the simulator is
not running */
inferior_pid = 0;
}
/* Load an executable file into the target process. This is expected to
not only bring new code into the target process, but also to update
GDB's symbol tables to match. */
static void
gdbsim_load (prog, fromtty)
char *prog;
int fromtty;
{
if (sr_get_debug ())
printf_filtered ("gdbsim_load: prog \"%s\"\n", prog);
inferior_pid = 0;
/* FIXME: We will print two messages on error.
Need error to either not print anything if passed NULL or need
another routine that doesn't take any arguments. */
if (sim_load (gdbsim_desc, prog, NULL, fromtty) == SIM_RC_FAIL)
error ("unable to load program");
/* FIXME: If a load command should reset the targets registers then
a call to sim_create_inferior() should go here. */
program_loaded = 1;
}
/* Start an inferior process and set inferior_pid to its pid.
EXEC_FILE is the file to run.
ARGS is a string containing the arguments to the program.
ENV is the environment vector to pass. Errors reported with error().
On VxWorks and various standalone systems, we ignore exec_file. */
/* This is called not only when we first attach, but also when the
user types "run" after having attached. */
static void
gdbsim_create_inferior (exec_file, args, env)
char *exec_file;
char *args;
char **env;
{
int len;
char *arg_buf,**argv;
if (exec_file == 0 || exec_bfd == 0)
warning ("No exec file specified.");
if (! program_loaded)
warning ("No program loaded.");
if (sr_get_debug ())
printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n",
(exec_file ? exec_file: "(NULL)"),
args);
gdbsim_kill ();
remove_breakpoints ();
init_wait_for_inferior ();
if (exec_file != NULL)
{
len = strlen (exec_file) + 1 + strlen (args) + 1 + /*slop*/ 10;
arg_buf = (char *) alloca (len);
arg_buf[0] = '\0';
strcat (arg_buf, exec_file);
strcat (arg_buf, " ");
strcat (arg_buf, args);
argv = buildargv (arg_buf);
make_cleanup (freeargv, (char *) argv);
}
else
argv = NULL;
sim_create_inferior (gdbsim_desc, exec_bfd, argv, env);
inferior_pid = 42;
insert_breakpoints (); /* Needed to get correct instruction in cache */
/* NB: Entry point already set by sim_create_inferior. */
proceed ((CORE_ADDR)-1, TARGET_SIGNAL_DEFAULT, 0);
}
/* The open routine takes the rest of the parameters from the command,
and (if successful) pushes a new target onto the stack.
Targets should supply this routine, if only to provide an error message. */
/* Called when selecting the simulator. EG: (gdb) target sim name. */
static void
gdbsim_open (args, from_tty)
char *args;
int from_tty;
{
int len;
char *arg_buf;
char **argv;
if (sr_get_debug ())
printf_filtered ("gdbsim_open: args \"%s\"\n", args ? args : "(null)");
/* Remove current simulator if one exists. Only do this if the simulator
has been opened because sim_close requires it.
This is important because the call to push_target below will cause
sim_close to be called if the simulator is already open, but push_target
is called after sim_open! We can't move the call to push_target before
the call to sim_open because sim_open may invoke `error'. */
if (gdbsim_desc != NULL)
unpush_target (&gdbsim_ops);
len = (7 + 1 /* gdbsim */
+ strlen (" -E little")
+ strlen (" --architecture=xxxxxxxxxx")
+ (args ? strlen (args) : 0)
+ 50) /* slack */;
arg_buf = (char *) alloca (len);
strcpy (arg_buf, "gdbsim"); /* 7 */
/* Specify the byte order for the target when it is both selectable
and explicitly specified by the user (not auto detected). */
#ifdef TARGET_BYTE_ORDER_SELECTABLE
if (!target_byte_order_auto)
{
switch (TARGET_BYTE_ORDER)
{
case BIG_ENDIAN:
strcat (arg_buf, " -E big");
break;
case LITTLE_ENDIAN:
strcat (arg_buf, " -E little");
break;
default:
fatal ("Value of TARGET_BYTE_ORDER unknown");
}
}
#endif
/* Specify the architecture of the target when it has been
explicitly specified */
if (!target_architecture_auto)
{
strcat (arg_buf, " --architecture=");
strcat (arg_buf, target_architecture->printable_name);
}
/* finally, any explicit args */
if (args)
{
strcat (arg_buf, " "); /* 1 */
strcat (arg_buf, args);
}
argv = buildargv (arg_buf);
if (argv == NULL)
error ("Insufficient memory available to allocate simulator arg list.");
make_cleanup (freeargv, (char *) argv);
init_callbacks ();
gdbsim_desc = sim_open (SIM_OPEN_DEBUG, &gdb_callback, exec_bfd, argv);
if (gdbsim_desc == 0)
error ("unable to create simulator instance");
push_target (&gdbsim_ops);
target_fetch_registers (-1);
printf_filtered ("Connected to the simulator.\n");
}
/* Does whatever cleanup is required for a target that we are no longer
going to be calling. Argument says whether we are quitting gdb and
should not get hung in case of errors, or whether we want a clean
termination even if it takes a while. This routine is automatically
always called just before a routine is popped off the target stack.
Closing file descriptors and freeing memory are typical things it should
do. */
/* Close out all files and local state before this target loses control. */
static void
gdbsim_close (quitting)
int quitting;
{
if (sr_get_debug ())
printf_filtered ("gdbsim_close: quitting %d\n", quitting);
program_loaded = 0;
if (gdbsim_desc != NULL)
{
sim_close (gdbsim_desc, quitting);
gdbsim_desc = NULL;
}
end_callbacks ();
}
/* Takes a program previously attached to and detaches it.
The program may resume execution (some targets do, some don't) and will
no longer stop on signals, etc. We better not have left any breakpoints
in the program or it'll die when it hits one. ARGS is arguments
typed by the user (e.g. a signal to send the process). FROM_TTY
says whether to be verbose or not. */
/* Terminate the open connection to the remote debugger.
Use this when you want to detach and do something else with your gdb. */
static void
gdbsim_detach (args,from_tty)
char *args;
int from_tty;
{
if (sr_get_debug ())
printf_filtered ("gdbsim_detach: args \"%s\"\n", args);
pop_target (); /* calls gdbsim_close to do the real work */
if (from_tty)
printf_filtered ("Ending simulator %s debugging\n", target_shortname);
}
/* Resume execution of the target process. STEP says whether to single-step
or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
to the target, or zero for no signal. */
static enum target_signal resume_siggnal;
static int resume_step;
static void
gdbsim_resume (pid, step, siggnal)
int pid, step;
enum target_signal siggnal;
{
if (inferior_pid != 42)
error ("The program is not being run.");
if (sr_get_debug ())
printf_filtered ("gdbsim_resume: step %d, signal %d\n", step, siggnal);
resume_siggnal = siggnal;
resume_step = step;
}
/* Notify the simulator of an asynchronous request to stop.
The simulator shall ensure that the stop request is eventually
delivered to the simulator. If the call is made while the
simulator is not running then the stop request is processed when
the simulator is next resumed.
For simulators that do not support this operation, just abort */
static void
gdbsim_stop ()
{
if (! sim_stop (gdbsim_desc))
{
quit ();
}
}
/* GDB version of os_poll_quit callback.
Taken from gdb/util.c - should be in a library */
static int
gdb_os_poll_quit (p)
host_callback *p;
{
notice_quit ();
if (quit_flag) /* gdb's idea of quit */
{
quit_flag = 0; /* we've stolen it */
return 1;
}
else if (immediate_quit)
{
return 1;
}
return 0;
}
/* Wait for inferior process to do something. Return pid of child,
or -1 in case of error; store status through argument pointer STATUS,
just as `wait' would. */
static void
gdbsim_cntrl_c (signo)
int signo;
{
gdbsim_stop ();
}
static int
gdbsim_wait (pid, status)
int pid;
struct target_waitstatus *status;
{
static RETSIGTYPE (*prev_sigint) ();
int sigrc = 0;
enum sim_stop reason = sim_running;
if (sr_get_debug ())
printf_filtered ("gdbsim_wait\n");
#if defined (HAVE_SIGACTION) && defined (SA_RESTART)
{
struct sigaction sa, osa;
sa.sa_handler = gdbsim_cntrl_c;
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
sigaction (SIGINT, &sa, &osa);
prev_sigint = osa.sa_handler;
}
#else
prev_sigint = signal (SIGINT, gdbsim_cntrl_c);
#endif
sim_resume (gdbsim_desc, resume_step,
target_signal_to_host (resume_siggnal));
signal (SIGINT, prev_sigint);
resume_step = 0;
sim_stop_reason (gdbsim_desc, &reason, &sigrc);
switch (reason)
{
case sim_exited:
status->kind = TARGET_WAITKIND_EXITED;
status->value.integer = sigrc;
break;
case sim_stopped:
switch (sigrc)
{
case SIGABRT:
quit ();
break;
case SIGINT:
case SIGTRAP:
default:
status->kind = TARGET_WAITKIND_STOPPED;
/* The signal in sigrc is a host signal. That probably
should be fixed. */
status->value.sig = target_signal_from_host (sigrc);
break;
}
break;
case sim_signalled:
status->kind = TARGET_WAITKIND_SIGNALLED;
/* The signal in sigrc is a host signal. That probably
should be fixed. */
status->value.sig = target_signal_from_host (sigrc);
break;
case sim_running:
case sim_polling:
/* FIXME: Is this correct? */
break;
}
return inferior_pid;
}
/* Get ready to modify the registers array. On machines which store
individual registers, this doesn't need to do anything. On machines
which store all the registers in one fell swoop, this makes sure
that registers contains all the registers from the program being
debugged. */
static void
gdbsim_prepare_to_store ()
{
/* Do nothing, since we can store individual regs */
}
static int
gdbsim_xfer_inferior_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
char *myaddr;
int len;
int write;
struct target_ops *target; /* ignored */
{
if (! program_loaded)
error ("No program loaded.");
if (sr_get_debug ())
{
printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x%x, memaddr 0x%x, len %d, write %d\n",
myaddr, memaddr, len, write);
if (sr_get_debug () && write)
dump_mem(myaddr, len);
}
if (write)
{
len = sim_write (gdbsim_desc, memaddr, myaddr, len);
}
else
{
len = sim_read (gdbsim_desc, memaddr, myaddr, len);
if (sr_get_debug () && len > 0)
dump_mem(myaddr, len);
}
return len;
}
static void
gdbsim_files_info (target)
struct target_ops *target;
{
char *file = "nothing";
if (exec_bfd)
file = bfd_get_filename (exec_bfd);
if (sr_get_debug ())
printf_filtered ("gdbsim_files_info: file \"%s\"\n", file);
if (exec_bfd)
{
printf_filtered ("\tAttached to %s running program %s\n",
target_shortname, file);
sim_info (gdbsim_desc, 0);
}
}
/* Clear the simulator's notion of what the break points are. */
static void
gdbsim_mourn_inferior ()
{
if (sr_get_debug ())
printf_filtered ("gdbsim_mourn_inferior:\n");
remove_breakpoints ();
generic_mourn_inferior ();
}
static int
gdbsim_insert_breakpoint (addr, contents_cache)
CORE_ADDR addr;
char *contents_cache;
{
#ifdef SIM_HAS_BREAKPOINTS
SIM_RC retcode;
retcode = sim_set_breakpoint (gdbsim_desc, addr);
switch (retcode)
{
case SIM_RC_OK:
return 0;
case SIM_RC_INSUFFICIENT_RESOURCES:
return ENOMEM;
default:
return EIO;
}
#else
return memory_insert_breakpoint (addr, contents_cache);
#endif
}
static int
gdbsim_remove_breakpoint (addr, contents_cache)
CORE_ADDR addr;
char *contents_cache;
{
#ifdef SIM_HAS_BREAKPOINTS
SIM_RC retcode;
retcode = sim_clear_breakpoint (gdbsim_desc, addr);
switch (retcode)
{
case SIM_RC_OK:
case SIM_RC_UNKNOWN_BREAKPOINT:
return 0;
case SIM_RC_INSUFFICIENT_RESOURCES:
return ENOMEM;
default:
return EIO;
}
#else
return memory_remove_breakpoint (addr, contents_cache);
#endif
}
/* Pass the command argument through to the simulator verbatim. The
simulator must do any command interpretation work. */
static void
simulator_command (args, from_tty)
char *args;
int from_tty;
{
if (gdbsim_desc == NULL)
{
/* PREVIOUSLY: The user may give a command before the simulator
is opened. [...] (??? assuming of course one wishes to
continue to allow commands to be sent to unopened simulators,
which isn't entirely unreasonable). */
/* The simulator is a builtin abstraction of a remote target.
Consistent with that model, access to the simulator, via sim
commands, is restricted to the period when the channel to the
simulator is open. */
error ("Not connected to the simulator target");
}
sim_do_command (gdbsim_desc, args);
}
/* Define the target subroutine names */
struct target_ops gdbsim_ops = {
"sim", /* to_shortname */
"simulator", /* to_longname */
"Use the compiled-in simulator.", /* to_doc */
gdbsim_open, /* to_open */
gdbsim_close, /* to_close */
NULL, /* to_attach */
gdbsim_detach, /* to_detach */
gdbsim_resume, /* to_resume */
gdbsim_wait, /* to_wait */
gdbsim_fetch_register, /* to_fetch_registers */
gdbsim_store_register, /* to_store_registers */
gdbsim_prepare_to_store, /* to_prepare_to_store */
gdbsim_xfer_inferior_memory, /* to_xfer_memory */
gdbsim_files_info, /* to_files_info */
gdbsim_insert_breakpoint, /* to_insert_breakpoint */
gdbsim_remove_breakpoint, /* to_remove_breakpoint */
NULL, /* to_terminal_init */
NULL, /* to_terminal_inferior */
NULL, /* to_terminal_ours_for_output */
NULL, /* to_terminal_ours */
NULL, /* to_terminal_info */
gdbsim_kill, /* to_kill */
gdbsim_load, /* to_load */
NULL, /* to_lookup_symbol */
gdbsim_create_inferior, /* to_create_inferior */
gdbsim_mourn_inferior, /* to_mourn_inferior */
0, /* to_can_run */
0, /* to_notice_signals */
0, /* to_thread_alive */
gdbsim_stop, /* to_stop */
process_stratum, /* to_stratum */
NULL, /* to_next */
1, /* to_has_all_memory */
1, /* to_has_memory */
1, /* to_has_stack */
1, /* to_has_registers */
1, /* to_has_execution */
NULL, /* sections */
NULL, /* sections_end */
OPS_MAGIC, /* to_magic */
};
void
_initialize_remote_sim ()
{
add_target (&gdbsim_ops);
add_com ("sim <command>", class_obscure, simulator_command,
"Send a command to the simulator.");
}

46
gnu/dist/gdb/thread.h vendored
View File

@ -1,46 +0,0 @@
/* Multi-process/thread control defs for GDB, the GNU debugger.
Copyright 1987, 1988, 1989, 1990, 1991, 1992, 1993
Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef THREAD_H
#define THREAD_H
extern void init_thread_list PARAMS ((void));
extern void add_thread PARAMS ((int pid));
extern int in_thread_list PARAMS ((int pid));
extern int pid_to_thread_id PARAMS ((int pid));
extern int valid_thread_id PARAMS ((int thread));
extern void load_infrun_state PARAMS ((int, CORE_ADDR *, CORE_ADDR *, char **,
int *, struct breakpoint **,
struct breakpoint **, CORE_ADDR *,
CORE_ADDR *, CORE_ADDR *, int *, int *));
extern void save_infrun_state PARAMS ((int, CORE_ADDR, CORE_ADDR, char *,
int, struct breakpoint *,
struct breakpoint *, CORE_ADDR,
CORE_ADDR, CORE_ADDR, int, int));
#endif /* THREAD_H */